Security update for libu2f-host

Announcement ID:	SUSE-SU-2019:1749-1
Rating:	moderate
References:	bsc#1124781 bsc#1128140 bsc#1135727 bsc#1135729
Cross-References:	CVE-2018-20340 CVE-2019-12209 CVE-2019-12210 CVE-2019-9578
CVSS scores:	CVE-2018-20340 ( SUSE ): 6.4 CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2018-20340 ( NVD ): 6.8 CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2019-12209 ( SUSE ): 4.6 CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2019-12209 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2019-12210 ( SUSE ): 6.8 CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2019-12210 ( NVD ): 8.1 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVE-2019-9578 ( SUSE ): 2.1 CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVE-2019-9578 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:	SUSE Linux Enterprise Desktop 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP4

An update that solves four vulnerabilities can now be installed.

Description:

This update for libu2f-host and pam_u2f to version 1.0.8 fixes the following issues:

Security issues fixed for libu2f-host:

• CVE-2019-9578: Fixed a memory leak due to a wrong parse of init's response (bsc#1128140).
• CVE-2018-20340: Fixed an unchecked buffer, which could allow a buffer overflow with a custom made malicious USB device (bsc#1124781).

Security issues fixed for pam_u2f:

• CVE-2019-12209: Fixed an issue where symlinks in the user's directory were followed (bsc#1135729).
• CVE-2019-12210: Fixed file descriptor leaks (bsc#1135727).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• SUSE Linux Enterprise Desktop 12 SP4
  zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2019-1749=1
• SUSE Linux Enterprise High Performance Computing 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-1749=1
• SUSE Linux Enterprise Server 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-1749=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-1749=1

Package List:

• SUSE Linux Enterprise Desktop 12 SP4 (x86_64)
  • libu2f-host-debugsource-1.1.6-3.5.1
  • pam_u2f-debuginfo-1.0.8-3.3.1
  • pam_u2f-1.0.8-3.3.1
  • libu2f-host0-1.1.6-3.5.1
  • libu2f-host0-debuginfo-1.1.6-3.5.1
  • pam_u2f-debugsource-1.0.8-3.3.1
• SUSE Linux Enterprise High Performance Computing 12 SP4 (aarch64 x86_64)
  • libu2f-host-debugsource-1.1.6-3.5.1
  • pam_u2f-debuginfo-1.0.8-3.3.1
  • pam_u2f-1.0.8-3.3.1
  • libu2f-host0-1.1.6-3.5.1
  • libu2f-host0-debuginfo-1.1.6-3.5.1
  • pam_u2f-debugsource-1.0.8-3.3.1
• SUSE Linux Enterprise Server 12 SP4 (aarch64 ppc64le s390x x86_64)
  • libu2f-host-debugsource-1.1.6-3.5.1
  • pam_u2f-debuginfo-1.0.8-3.3.1
  • pam_u2f-1.0.8-3.3.1
  • libu2f-host0-1.1.6-3.5.1
  • libu2f-host0-debuginfo-1.1.6-3.5.1
  • pam_u2f-debugsource-1.0.8-3.3.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le x86_64)
  • libu2f-host-debugsource-1.1.6-3.5.1
  • pam_u2f-debuginfo-1.0.8-3.3.1
  • pam_u2f-1.0.8-3.3.1
  • libu2f-host0-1.1.6-3.5.1
  • libu2f-host0-debuginfo-1.1.6-3.5.1
  • pam_u2f-debugsource-1.0.8-3.3.1

References:

• https://www.suse.com/security/cve/CVE-2018-20340.html
• https://www.suse.com/security/cve/CVE-2019-12209.html
• https://www.suse.com/security/cve/CVE-2019-12210.html
• https://www.suse.com/security/cve/CVE-2019-9578.html
• https://bugzilla.suse.com/show_bug.cgi?id=1124781
• https://bugzilla.suse.com/show_bug.cgi?id=1128140
• https://bugzilla.suse.com/show_bug.cgi?id=1135727
• https://bugzilla.suse.com/show_bug.cgi?id=1135729